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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
using System;
using System.Collections;
using log4net;
using Qpid.Buffer;
using Qpid.Codec;
using Qpid.Codec.Support;
using Qpid.Framing;
namespace Qpid.Client.Transport
{
public class AmqpChannel : IProtocolChannel
{
// Warning: don't use this log for regular logging.
static readonly ILog _protocolTraceLog = LogManager.GetLogger("Qpid.Client.ProtocolChannel.Tracing");
IByteChannel byteChannel;
IProtocolEncoder encoder;
IProtocolDecoder decoder;
public AmqpChannel(IByteChannel byteChannel)
{
this.byteChannel = byteChannel;
AMQProtocolProvider protocolProvider = new AMQProtocolProvider();
IProtocolCodecFactory factory = protocolProvider.CodecFactory;
encoder = factory.Encoder;
decoder = factory.Decoder;
}
public Queue Read()
{
ByteBuffer buffer = byteChannel.Read();
Queue frames = Decode(buffer);
// TODO: Refactor to decorator.
if (_protocolTraceLog.IsDebugEnabled)
{
foreach (object o in frames)
{
_protocolTraceLog.Debug(String.Format("READ {0}", o));
}
}
return frames;
}
public void Write(IDataBlock o)
{
// TODO: Refactor to decorator.
if (_protocolTraceLog.IsDebugEnabled)
{
_protocolTraceLog.Debug(String.Format("WRITE {0}", o));
}
byteChannel.Write(Encode(o));
}
private ByteBuffer Encode(object o)
{
SingleProtocolEncoderOutput output = new SingleProtocolEncoderOutput();
encoder.Encode(o, output);
return output.buffer;
}
private Queue Decode(ByteBuffer byteBuffer)
{
SimpleProtocolDecoderOutput outx = new SimpleProtocolDecoderOutput();
decoder.Decode(byteBuffer, outx);
return outx.MessageQueue;
}
}
}
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